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Finding the Fourth Proportional to 249,032.80, 343,694.73 and 141,618.97

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Solution

The fourth proportional to 249,032.80, 343,694.73 and 141,618.97 is: 195,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,032.80 : 343,694.73 = 141,618.97 : x
  2. Step 2: Convert to fraction form
    249,032.80/343,694.73 = 141,618.97/x
  3. Step 3: Cross multiply
    249,032.80x = 343,694.73 × 141,618.97
  4. Step 4: Simplify right side
    249,032.80x = 48,673,693,657.03
  5. Step 5: Solve for x
    x = 48,673,693,657.03/249,032.80
  6. Step 6: Final answer
    x = 195,450.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.